14 books
1987 pub |144 pages
1990 pub |224 pages
1991 pub |320 pages
1993 pub |307 pages
1996 pub |240 pages
1997 pub |288 pages
1999 pub |342 pages
2000 pub |112 pages
2001 pub |160 pages
2002 pub |338 pages
2004 pub |384 pages
2006 pub |281 pages
2007 pub |242 pages
2010 pub |329 pages